Acookie recipe calls for 2/3 of a cup of flour and makes 2 dozen cookies. how many cookie can you make if you have 10 cups of flour and want to use all of it?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Solve for x, y, and z. show all steps.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is